package com.itheima.service.impl;

import com.itheima.mapper.EmpMapper;
import com.itheima.mapper.StudentMapper;
import com.itheima.pojo.ClazzCountOption;
import com.itheima.pojo.JobOption;
import com.itheima.service.ReportService;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;

import java.util.List;
import java.util.Map;

@Service
public class ReportServiceImpl implements ReportService {
    @Autowired
    private EmpMapper empMapper;
    @Autowired
    private StudentMapper studentMapper;

    @Override
    public JobOption getEmpJobData() {
        List<Map<String,Object>> list=empMapper.countEmpJobData();

        List<Object> jobList=list.stream().map(dataMap-> dataMap.get("pos")).toList();
        List<Object> dataList=list.stream().map(dataMap-> dataMap.get("num")).toList();
        return new JobOption(jobList,dataList);
    }

    @Override
    public List<Map<String,Object>> getEmpGenderData() {

        return empMapper.countEmpGenderData();

    }

    @Override
    public List<Map<String, Object>> getStuDegreeData() {
        return studentMapper.countStuDegreeData();
    }

    @Override
    public ClazzCountOption countStuDegreeData() {
        List<Map<String,Object>> list=studentMapper.countStuData();

        List<Object> clazzList=list.stream().map(dataMap-> dataMap.get("pos")).toList();
        List<Object> dataList=list.stream().map(dataMap-> dataMap.get("num")).toList();
        return new ClazzCountOption(clazzList,dataList);
    }
}
